package cn.feng.thinkInJava.a2_1_字符串.strings.a13_06_03;

//: strings/TestRegularExpression.java
// Allows you to easily try out regular expressions.
// {Args: abcabcabcdefabc "abc+" "(abc)+" "(abc){2,}" }
import java.util.regex.*;
import static net.mindview.util.Print.*;

/**量词
 * @author fengyu
 * @date  2015年8月8日
 */
public class TestRegularExpression
{
	public static void main(String[] args)
	{
		if (args.length < 2)
		{
			print("Usage:\njava TestRegularExpression " + "characterSequence regularExpression+");
			System.exit(0);
		}
		print("Input: \"" + args[0] + "\"");
		for (String arg : args)
		{
			print("Regular expression: \"" + arg + "\"");
			Pattern p = Pattern.compile(arg);
			Matcher m = p.matcher(args[0]);
			while (m.find())
			{
				print("Match \"" + m.group() + "\" at positions " + m.start() + "-" + (m.end() - 1));
			}
		}
	}
} /* Output:
Input: "abcabcabcdefabc"
Regular expression: "abcabcabcdefabc"
Match "abcabcabcdefabc" at positions 0-14
Regular expression: "abc+"
Match "abc" at positions 0-2
Match "abc" at positions 3-5
Match "abc" at positions 6-8
Match "abc" at positions 12-14
Regular expression: "(abc)+"
Match "abcabcabc" at positions 0-8
Match "abc" at positions 12-14
Regular expression: "(abc){2,}"
Match "abcabcabc" at positions 0-8
*///:~
